Wholesale retailers Musgrave issued advice to shoppers to review their bank activity as a precautionary measure, although there is no evidence that any data has been stolen.

In a statement, the company said: "Musgrave today confirmed it has been the subject of a cybercrime attack impacting its network and SuperValu, Centra and Daybreak stores.

"The company is now engaged in an ongoing investigation of the incident with An Garda Síochána and has notified the Office of the Data Protection Commissioner of the incident and will keep it updated regularly.

(Image: Wikimedia)

"Musgrave detected that malicious software was attempting to extract debit and credit card numbers and expiry dates, but not the cardholder name, PIN number or CCV number.

"While there is no evidence that any data has been stolen at this point, Musgrave is advising any concerned shoppers to review activity on their statements as a precautionary measure.